Home / 343,297,329.60-514,945,994.40-127,841,995.20

Finding the Fourth Proportional to 343,297,329.60, 514,945,994.40 and 127,841,995.20

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Solution

The fourth proportional to 343,297,329.60, 514,945,994.40 and 127,841,995.20 is: 191,762,992.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,297,329.60 : 514,945,994.40 = 127,841,995.20 : x
  2. Step 2: Convert to fraction form
    343,297,329.60/514,945,994.40 = 127,841,995.20/x
  3. Step 3: Cross multiply
    343,297,329.60x = 514,945,994.40 × 127,841,995.20
  4. Step 4: Simplify right side
    343,297,329.60x = 65,831,723,344,344,024
  5. Step 5: Solve for x
    x = 65,831,723,344,344,024/343,297,329.60
  6. Step 6: Final answer
    x = 191,762,992.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.